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144135763 = 1311100273
BaseRepresentation
bin10001001011101…
…01011001010011
3101001012212002121
420211311121103
5243344321023
622145155111
73400063612
oct1045653123
9331185077
10144135763
11743a7372
124032ba97
1323b27945
14151dd879
15c9c1d5d
hex8975653

144135763 has 4 divisors (see below), whose sum is σ = 145236168. Its totient is φ = 143035360.

The previous prime is 144135731. The next prime is 144135811. The reversal of 144135763 is 367531441.

144135763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144135763 - 25 = 144135731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144135703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550006 + ... + 550267.

It is an arithmetic number, because the mean of its divisors is an integer number (36309042).

Almost surely, 2144135763 is an apocalyptic number.

144135763 is a deficient number, since it is larger than the sum of its proper divisors (1100405).

144135763 is a wasteful number, since it uses less digits than its factorization.

144135763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100404.

The product of its digits is 30240, while the sum is 34.

The square root of 144135763 is about 12005.6554589910. The cubic root of 144135763 is about 524.3129491921.

The spelling of 144135763 in words is "one hundred forty-four million, one hundred thirty-five thousand, seven hundred sixty-three".

Divisors: 1 131 1100273 144135763